<template>
    <div>
        <h1>{{id?"编辑":"新建"}}物品</h1>
        <el-form label-width="80px" @submit.native.prevent = "save">
            <el-form-item label="名称">
                <el-input v-model="model.name"></el-input>
            </el-form-item>
            <el-form-item label="图标">
                <el-upload
                 class="avatar-uploader"
                 :action="UploadUrl"
                 :headers="authHeaderMixin"
                 :show-file-list="false"
                 :on-success="uploaded">
                    <img v-if="model.icon" :src="model.icon" class="avatar">
                    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                </el-upload>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" native-type="submit">确认</el-button>
            </el-form-item>
        </el-form>
    </div>
</template>

<script>
    export default {
        props: {
            id:String
        },
        data () {
            return {
                model:{},
            }
        },
        methods: {
            uploaded(res){
                this.$set(this.model,'icon',res.url)
                // this.model.icon = res.url
            },
            async save(){
                let res
                if(this.id){
                    res = await this.$http.put(`rest/items/${this.id}`,this.model)
                }else{
                    res = await this.$http.post("rest/items",this.model)
                }
                
                if(res){
                    this.$router.push('/items/list')
                    this.$message({
                        type:'success',
                        message:'保存成功'
                    })
                }
            },
            async fetch(){
                const res = await this.$http.get(`rest/items/${this.id}`)
                if(res){
                    this.model = res.data
                }
            },
        },
        beforeRouteEnter (to, from, next) {
            next(vm=>{
                if(vm.id){
                    vm.fetch()
                }
            })
        }
    }
</script>

<style>
      .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>